OpenTechnical

OT-2026-000090351

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000090351) never changes.

Identity and time

Publication numberOT-2026-000090351 · never reused
Internal UUID01a0ae9c-7f2d-71ec-9a89-f3e9dc457e0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090351
StatusPUBLIC

Content hashes

Canonical text9ec6b4a84af6d8f004087f39bd032fa31030ed676cd08c753c6d1658283b0ab9
Markdown4dfbfc671cda03d88cf9a21b8d2c2b10b6876cfef1805476c6017593825b08de
PDF
Publication page873eac916b45003cbd701c31cff0c6941f6ae0071a60cd887a66f0601ea63ed6
Manifestd0866dc5f17dd282bbf94835aebcd9a6d2f2084f8ea217c989c4edc20aa1d38b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatureocytc5ijI2wLku3l8kFFsbkr8nlYnFt5Nio3SunenMIEt1vbhFnlm38f5d1zWaTrJwnS7v+kyYL1QiipIiq6Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:26.897813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090351
observed 873eac916b45003cbd701c31cff0c694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.878100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090351/manifest.json
observed d0866dc5f17dd282bbf94835aebcd9a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.857496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090351/publication.md
observed 4dfbfc671cda03d88cf9a21b8d2c2b10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:26.838698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090351/publication.txt
observed 9ec6b4a84af6d8f004087f39bd032fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.